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15:26:09 - 04/26/2024
Dakota Performance
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Castrol.
Dodge Dakota
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4/18/2004
18:23:31
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 Subject: RE: Oil recommendations...
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I use Castrol Syntec Blend and a Bosch oil filter for my truck.
Mobil 1 didn't do it for me when I ran it in my BMW, I pulled the Valve cover off and noticed carbon build up. Before that while using Castrol Syntec Blend there had been no build ups what so ever.
I think it said somewhere in a report, that Castrol having using convential, synthetic, and petroleum oils, they have made the oil with less carbon, which means less build up. I have never seen a engine build upw ith carbon using Castrol. And I trust that it wont build up in my Dakota.
My BMW is an 84 3.18i that i use for a rally car, so the dust and harsh running conditions, and heat build up is what I kinda live on, so Castrol is the only oil for me.
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fffff
Dodge Dakota
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4/19/2004
05:59:59
| Oil recommendations...
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Read this on another board and posted a few months ago.
Castrol Syntec is NOT a full synthetic no matter how they choose to advertise and decieve us. Actually, it might be depending on what definition you use for the word "synthetic." Castrol Syntec was reformulated in late 98. Before Syntec was reformulated, it was actually a full synthetic using a full synthetic base stock with PAO's just like Mobil 1 , Amsoil, and 90% of the synthetics out there. Once Syntec was reformulated in late 98, it was known that Syntec did not contain any PAO's. In fact, Syntec uses a Group III base stock which is a hydrocracked highly refined mineral oil with some synthetic additives. This is no secret, Mobil filed a complaint with the National Advertising Division of the Council of Better Business Bureaus alleging that Castrol was engaging in false advertising by claiming their Group III based Syntec was "fully synthetic." The NAD rulled that based on the evidence put forth, Group III base oil could legitmately be called "synthetic" ... even if they ARE NOT.
The NAD is merely a self-regulatory arm of the BBB and has no legal standing whatsoever in the U.S. Hence, their ruling in this matter does not make it "legal" to claim that a Group III oil is "synthetic." It merely means that for any entity willing to abide by the NAD's guidelines, a Group III oil can be ADVERTISED under those guidelines as a synthetic. The BBB certainly does not know motor oils.
If the base stock was a highly refined Group III base oil, then how could Castrol rightfully and legally call it a full synthetic? Unfortunately, Mobil lost the battle because of how the term "full synthetic" is defined by the API or SAE(can't remember which one). A full synthetic motor oil is defined on it's ability to perform, not by what it's made or composed of. The scam here, is that if a company takes a cheapa$$ dino oil, hydrocrack it, add a few synthetic additives, and it ends up meeting the minimum specifications of how a synthetic oil is supposed to perform, then the manufacturer is allowed by this vague and deceptive definition to sell and market thier oil as a "full synthetic!!!" If you guys like Castrol Syntec, that's fine because it's a good oil. But don't expect it to be a full synthetic oil composed of Diethers(Redline), or PAO's(Mobil 1, Amsoil, etc....)because it's not.
Castrol Syntec sells for $4 a quart around here, therefore if you would like an oil that is marketed as a full synthetic, yet is not a full synthetic, then you have many choices that cost a lot less. There was a controversy on thsi topic over on LS1 about 2-3 years ago over the Syntec issue, and Castrol not only threatened a lawsuit against a couple individuals and Amsoil as well, and they forced them to remove those articles that "exposed" the truth about Castrol Syntec.
...This is from a Ford truck message board I used to do a little browsing on.
I would not use any oil from a company that lies!
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